Thanks!,
It was from my very first visit to the WW&F. I sweetened the deal for my wife coming up with a day in Freeport, but when we got to Sheepscot I found out how much of her pre-marital railroad enthusiasm had slipped away. After I'd been filming for an hour she said "Can we go now?". I said "I'm in the middle of making a film!".
She said "Can't you make a shorter film?"
PS: It's exactly as long as I meant it to be...
(She rode the train again: problem solved!)